Button Konstruktor
Definisi
Penting
Beberapa informasi terkait produk prarilis yang dapat diubah secara signifikan sebelum dirilis. Microsoft tidak memberikan jaminan, tersirat maupun tersurat, sehubungan dengan informasi yang diberikan di sini.
Menginisialisasi instans baru kelas Button.
public:
Button();public Button();Public Sub New ()Contoh
Contoh kode berikut menunjukkan cara membuat dan menginisialisasi instans Button baru kelas.
<%@ Page Language="C#" AutoEventWireup="True" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
<title> Button Constructor Example </title>
<script runat="server">
void Page_Load(Object sender, EventArgs e)
{
// Create a new Button control.
Button NewButton = new Button();
NewButton.Text="Click Me";
// Register the event-handling method for the Click event.
NewButton.Click += new EventHandler(this.Button_Click);
// Add the control to the Controls collection of the
// PlaceHolder control.
Place.Controls.Clear();
Place.Controls.Add(NewButton);
}
void Button_Click(Object sender, EventArgs e)
{
Message.Text = "Hello World";
}
</script>
</head>
<body>
<form id="form1" runat="server">
<h3> Button Constructor Example </h3>
<asp:Placeholder id="Place"
runat="server"/>
<br /><br />
<asp:Label id="Message"
runat="server"/>
</form>
</body>
</html>
<%@ Page Language="VB" AutoEventWireup="True" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
<title> Button Constructor Example </title>
<script runat="server">
Sub Page_Load(sender As Object, e As EventArgs)
' Create a new Button control.
Dim NewButton As Button = New Button()
NewButton.Text="Click Me"
' Register the event-handling method for the Click event.
AddHandler NewButton.Click, AddressOf Button_Click
' Add the control to the Controls collection of the
' PlaceHolder control.
Place.Controls.Clear()
Place.Controls.Add(NewButton)
End Sub
Sub Button_Click(sender as Object, e As EventArgs)
Message.Text = "Hello World"
End Sub
</script>
</head>
<body>
<form id="form1" runat="server">
<h3> Button Constructor Example </h3>
<asp:Placeholder id="Place"
runat="server"/>
<br /><br />
<asp:Label id="Message"
runat="server"/>
</form>
</body>
</html>
Keterangan
Gunakan konstruktor ini untuk membuat dan menginisialisasi instans Button baru kelas.
